1. 沼泽地方：Fenianism 芬尼共和主义 | fenland 沼泽地方 | fenman 沼泽居民

2. 沼泽地;干沼泽：fenitization 霓长岩化 | fenland 沼泽地;干沼泽 | fenny 沼泽的

3. 沼泽地：霓长岩化作用 fenitization | 沼泽地 fenland | 沼泽的,生于沼泽地带的 fenny

4. 沼泽地,低温地：fen communitiy沼泽群落 | fenland沼泽地,低温地 | fenny沼泽的.招择多的,生长在沼泽地的

noun

1. low-lying wet land with grassy vegetation
    usually is a transition zone between land and water

    e.g. thousands of acres of marshland
           the fens of eastern England

    Synonym: marshmarshlandfen